4x6 LED Projector Headlights H4651 H4652 H4656 H4666 H6545 Black Set

Upgrade your classic square headlight setup with these modern 4x6 projector headlamps—delivering 1,200 effective lumens, a legal beam pattern, and European E-Mark approval for dramatically improved nighttime visibility and safety.

See the Road Ahead Like Never Before

If you're running a classic truck, Jeep Cherokee XJ, or any vehicle with outdated 4x6 sealed beam headlights, you know the frustration of squinting through dim, yellowed light that barely illuminates the road ahead. Those old-school sealed beam units were designed in an era when 55 mph felt fast and road trips happened during daylight. But you're driving in 2026, sharing highways with distracted drivers and navigating unlit back roads where wildlife appears without warning. You need modern lighting technology that actually lets you see what's coming.

These Pro Series 4x6 projector headlamps replace your antiquated sealed beam units with precision-engineered optics that deliver 1,200 effective lumens in a crisp, focused beam pattern. Unlike cheap LED retrofits that blind oncoming traffic or scatter light uselessly into the trees, these projectors use die-cast aluminum housings and hard-coated polycarbonate lenses to create a legal, road-approved beam pattern that puts light exactly where you need it—on the road surface and road signs, not in other drivers' eyes. European E-Mark approval means these headlamps meet strict international safety standards for beam focus and cutoff sharpness.

Key Features at a Glance

• 1,200 Effective Lumens: Delivers dramatically brighter, whiter light compared to old halogen sealed beams—making road signs, lane markers, and obstacles visible much earlier.
• Legal Beam Pattern: Precision-engineered projector optics create a sharp horizontal cutoff that illuminates the road without blinding oncoming traffic—meeting DOT and E-Mark standards.
• E-Mark Approved: European safety certification ensures these headlamps meet strict international standards for beam quality, focus, and road safety compliance.
• Die-Cast Aluminum Housing: Durable metal construction dissipates heat efficiently and resists damage from rocks, vibration, and harsh weather conditions.
• Hard-Coated Polycarbonate Lens: Impact-resistant lens with protective hard coating resists scratches, chips, and UV yellowing—maintaining clarity for years.
• Universal 4x6 Sealed Beam Replacement: Direct drop-in replacement for any vehicle using standard 4x6 rectangular sealed beam headlights—no modifications required.
• 9V-32V DC Input: Wide voltage range works with 12V and 24V electrical systems, making these compatible with cars, trucks, Jeeps, and commercial vehicles.
• Shock & Vibration Proof: Built to withstand rough roads, off-road conditions, and constant vibration without bulb failure or housing damage.

How It's Used: Installation & Fitment

These projector headlamps are a direct plug-and-play replacement for standard 4x6 sealed beam headlights. Each lamp is non-side-specific, meaning it can be installed on either the right or left side of your vehicle as a low beam. Installation takes approximately 15-30 minutes per side using basic hand tools. Simply remove your old sealed beam unit by unscrewing the retaining ring, disconnect the factory wiring harness, and install the new projector headlamp. The included H7 connector allows you to either insert the metal blade terminals directly into your factory harness or splice the wires for a permanent connection. Each lamp includes a 2-prong adapter for easy integration with your vehicle's existing wiring. No cutting, drilling, or electrical modifications required for most applications.

Product Durability & Material Details

Built from die-cast aluminum with a hard-coated polycarbonate lens, these headlamps are engineered to survive the harsh realities of automotive use—extreme temperature swings, constant vibration, rock impacts, and UV exposure. The aluminum housing acts as a heat sink, efficiently dissipating heat generated by the internal bulb to prevent premature failure and maintain consistent light output. The hard-coated polycarbonate lens resists scratching from road debris and won't yellow or crack like cheap plastic lenses. Shock and vibration-proof construction ensures the internal projector optics remain precisely aligned even after years of rough roads or off-road use. These headlamps are designed to outlast your vehicle's original sealed beam units by years.

Your Benefits at a Glance

• Dramatically Improved Night Visibility: See road signs, lane markers, pedestrians, and wildlife much earlier—giving you critical extra seconds to react safely.
• Legal & Safe: E-Mark approved beam pattern means you won't blind oncoming drivers or risk failing safety inspections in strict jurisdictions.
• Long-Term Reliability: Die-cast aluminum construction and hard-coated lens resist damage and degradation far better than cheap plastic sealed beam replacements.
• Easy DIY Installation: Drop-in replacement design with included adapters means most vehicle owners can upgrade their headlights in under an hour without professional help.
• Universal Compatibility: Fits any vehicle using 4x6 rectangular sealed beam headlights, from classic Jeep Cherokees and Ford trucks to vintage muscle cars and commercial vehicles.

Technical Specifications

Performance Details:

• Raw Lumens: 2,000 lumens
• Effective Lumens: 1,200 lumens (optimized beam pattern)
• Beam Pattern: Low beam only (focused cutoff for street-legal use)
• Input Voltage: 9V-32V DC (compatible with 12V and 24V systems)
• Color Temperature: 6000K Cool White (estimate—verify with product specifications)

Construction Details:

• Housing Material: Die-cast aluminum (heat-resistant and durable)
• Lens Material: Hard-coated polycarbonate (impact and scratch-resistant)
• Design: Black projector housing with precision-engineered optics
• Certifications: E-Mark Approved (European safety standard)
• Road Legal: DOT-compliant beam pattern for street use
• Durability: Shock and vibration proof construction

Fitment & Package Information

Universal Fitment:

• Replaces all standard 4x6 rectangular sealed beam headlights
• Non-side-specific design (can be used on left or right side)
• Low beam function only (not for high beam use)
• Common Applications: Jeep Cherokee XJ (1984-2001), Jeep Wrangler YJ (1987-1995), Ford F-Series trucks, Chevy S-10, GMC Sonoma, Toyota pickups, and hundreds of other classic vehicles

Package Includes (Set of 2):

• 2x Pro Series 4x6 Projector Headlamps (Black Housing)
• 2x H7 Wiring Connectors (for factory plug integration or splicing)
• 2x 2-Prong Adapters

Installation Notes:

• Direct drop-in replacement for 4x6 sealed beam headlights
• Installation time: 15-30 minutes per side
• Wiring options: Insert metal blade terminals into factory harness OR splice wires for permanent connection
• No cutting, drilling, or modifications required for most applications
• Recommended for DIY installation with basic hand tools
• Important: These are low beam headlamps only—do not use for high beam applications